From 87dc87ee12f72477540d5900455564af3efa02cd Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Fri, 6 Dec 2019 14:28:57 +1000
Subject: [PATCH] clear undo when adding card

https://anki.tenderapp.com/discussions/ankidesktop/36541-anki-nuked-all-entered-notes-on-undo
---
 aqt/addcards.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/aqt/addcards.py b/aqt/addcards.py
index d4e7e27c8..b97b559a4 100644
--- a/aqt/addcards.py
+++ b/aqt/addcards.py
@@ -176,6 +176,7 @@ class AddCards(QDialog):
 The input you have provided would make an empty \
 question on all cards."""), help="AddItems")
             return
+        self.mw.col.clearUndo()
         self.addHistory(note)
         self.mw.requireReset()
         self.previousNote = note